package com.atguigu.gulimall.product.exception;

import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */

@Slf4j
@RestControllerAdvice
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e)
    {
      log.error("数据校验出现问题{},异常类型{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();

        Map<String, String> errorMap = new HashMap<>();
        bindingResult.getFieldErrors().forEach((filedError)->{
            String message = filedError.getDefaultMessage();
            String field = filedError.getField();
            errorMap.put(field,message);
        });
        return R.error(400,"数据校验出现问题").put("data",errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable)
    {
        log.error("错误",throwable);
        return  R.error();
    }
}
